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12v Step-down?

CCinPA

Dec 18, 2017
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Dec 18, 2017
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In looking around a bit... I believe "step-down" is the correct term.

12v automotive application. I need an adjustable "???" to step-down between 12v and 9(ish)v. Help?
 

duke37

Jan 9, 2011
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The 7809 or LM317 wil do about an amp and may need a heat sink.

You can get switch mode buck convertors which are more efficient (less heat) and can provide higher currents. They may be a bit dirty and produce noise on radios.
 
Last edited:

CCinPA

Dec 18, 2017
3
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Dec 18, 2017
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Update: Need a solution with lead-wires. Heat-sink? Noise would be a problem for the automotive project.
 

davenn

Moderator
Sep 5, 2009
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12v automotive application. I need an adjustable "???" to step-down between 12v and 9(ish)v. Help?

search eBay for DC-DC BUCK Converters .... there's a zillion of them for a few $$ each
 

CCinPA

Dec 18, 2017
3
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Dec 18, 2017
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search eBay for DC-DC BUCK Converters .... there's a zillion of them for a few $$ each

"There's the wrong-way... And my-way" (SC) :);):)

I checked eBay... Looks very promising... Thanks! :D
 
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